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NetBSD 6.1.5 - man page for ceilf (netbsd section 3)

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CEIL(3) 			   BSD Library Functions Manual 			  CEIL(3)

NAME
     ceil, ceilf, floor, floorf -- ceiling and floor

LIBRARY
     Math Library (libm, -lm)

SYNOPSIS
     #include <math.h>

     double
     ceil(double x);

     float
     ceilf(float x);

     double
     floor(double x);

     float
     floorf(float x);

DESCRIPTION
     The ceil() and ceilf() functions return the smallest integral value greater than or equal to
     x.  Conversely, the floor() and floorf() functions return the largest integral value less
     than or equal to x.

SEE ALSO
     abs(3), fabs(3), math(3), nextafter(3), rint(3)

STANDARDS
     The described functions conform to ISO/IEC 9899:1999 (``ISO C99'').

BSD					September 18, 2011				      BSD
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